# 서울도서관 통합전자책 뷰어 3.0 vs DadokBook

The clearest difference is ads: 서울도서관 통합전자책 뷰어 3.0 at none against DadokBook's shown. 서울도서관 통합전자책 뷰어 3.0 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). DadokBook's advantage is update cadence (weekly vs every 2 months). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

서울도서관 통합전자책 뷰어 3.0 ships an update every 2 months, DadokBook weekly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 서울도서관 통합전자책 뷰어 3.0 | DadokBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/30/id6743486883/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 21.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 99 MB | 102 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)이씨오](https://appshunter.io/developer/371073988) | [WANKI KIM](https://appshunter.io/developer/1708798516) |

## What reviewers say

### 서울도서관 통합전자책 뷰어 3.0

[App page](https://appshunter.io/ios/app/30/id6743486883)

This application allows users to read eBooks borrowed from the Seoul Library. Download and access your borrowed books anytime, anywhere through the app's bookshelf. New books must be borrowed from the Seoul Library's eBook website before they can be read.

**Highlights:** Read Seoul Library eBooks, Download books to device, Access borrowed books, Offline reading, User bookshelf

**In-app purchases:** none


### DadokBook

[App page](https://appshunter.io/ios/app/dadokbook-reading-tracker/id6782623269)

**In-app purchases:** none


## Frequently asked questions

### Is 서울도서관 통합전자책 뷰어 3.0 free?

서울도서관 통합전자책 뷰어 3.0 is free to download, with no in-app purchases.

### Is DadokBook free?

DadokBook is free to download, with no in-app purchases.

### Do 서울도서관 통합전자책 뷰어 3.0 or DadokBook have ads?

DadokBook shows ads; 서울도서관 통합전자책 뷰어 3.0 does not.

### Which is updated more often, 서울도서관 통합전자책 뷰어 3.0 or DadokBook?

서울도서관 통합전자책 뷰어 3.0 ships an update every 2 months, and DadokBook weekly. Most recently, 서울도서관 통합전자책 뷰어 3.0 was updated on October 14, 2026 and DadokBook on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*